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1/* SPDX-License-Identifier: MIT */2/*3 * Copyright © 2020,2021 Intel Corporation4 */5 6#ifndef __INTEL_STEP_H__7#define __INTEL_STEP_H__8 9#include <linux/types.h>10 11struct drm_i915_private;12 13struct intel_step_info {14 /*15 * It is expected to have 4 number steps per letter. Deviation from16 * the expectation breaks gmd_to_intel_step().17 */18 u8 graphics_step; /* Represents the compute tile on Xe_HPC */19 u8 media_step;20};21 22#define STEP_ENUM_VAL(name) STEP_##name,23 24#define STEP_NAME_LIST(func) \25 func(A0) \26 func(A1) \27 func(A2) \28 func(A3) \29 func(B0) \30 func(B1) \31 func(B2) \32 func(B3) \33 func(C0) \34 func(C1) \35 func(C2) \36 func(C3) \37 func(D0) \38 func(D1) \39 func(D2) \40 func(D3) \41 func(E0) \42 func(E1) \43 func(E2) \44 func(E3) \45 func(F0) \46 func(F1) \47 func(F2) \48 func(F3) \49 func(G0) \50 func(G1) \51 func(G2) \52 func(G3) \53 func(H0) \54 func(H1) \55 func(H2) \56 func(H3) \57 func(I0) \58 func(I1) \59 func(I2) \60 func(I3) \61 func(J0) \62 func(J1) \63 func(J2) \64 func(J3)65 66/*67 * Symbolic steppings that do not match the hardware. These are valid both as gt68 * and display steppings as symbolic names.69 */70enum intel_step {71 STEP_NONE = 0,72 STEP_NAME_LIST(STEP_ENUM_VAL)73 STEP_FUTURE,74 STEP_FOREVER,75};76 77void intel_step_init(struct drm_i915_private *i915);78const char *intel_step_name(enum intel_step step);79 80#endif /* __INTEL_STEP_H__ */81